Question

3 {[(×-2)+4×]-(×-3)}=4-(×-12)

Answer 1

3 {[x-2+4x]-x+3} = 4-x+12

3{x-2+4x-x+3} = 16-x

3x-6+12x-3x+9 = 16-x

12x + x = 16+6-9

13x = 13

x = 13/13

x = 1

att: Al-juarismi






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